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    <a href="#">Mailbox <span class="badge">50</span></a>
    <hr/>
    <h1>Example Heading <span class="label label-default">Label</span></h1>
<h2>Example Heading <span class="label label-default">Label</span></h2>
<h3>Example Heading <span class="label label-default">Label</span></h3>
<h4>Example Heading <span class="label label-default">Label</span></h4>

<hr/>

<h4>胶囊式导航中的激活状态</h4>
<ul class="nav nav-pills">
   <li class="active"><a href="#">首页 <span class="badge">42</span></a></li>
   <li><a href="#">简介</a></li>
   <li><a href="#">消息 <span class="badge">3</span></a></li>
</ul>
<br>
<h4>列表导航中的激活状态</h4>
<ul class="nav nav-pills nav-stacked" style="max-width: 260px;">
   <li class="active">
      <a href="#">
         <span class="badge pull-right">42</span>
         首页
      </a>
   </li>
   <li><a href="#">简介</a></li>
   <li>
      <a href="#">
         <span class="badge pull-right">3</span>
         消息
      </a>
   </li>
</ul>
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